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Green rectangular DDR4 UDIMM module with black chips and gold contacts

SAMSUNG

SAMSUNG M378A4G43AB2-CWE 32GB DDR4 3200MHz desktop RAM

SKU CH-G075-3Y562

A 32 GB DDR4 3200 UDIMM with CL22 latency and 1.2 V operation for standard desktop upgrades

  • Total capacity32 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeUnbuffered / Unregistered
  • Product colorGreen
  • 32GB capacity supports heavy multitasking and large datasets
  • DDR4 3200 speed delivers 25600 MB/s peak bandwidth
  • Low 1.20V operation reduces power draw and heat
  • CL22 latency provides responsive timing for everyday workloads
  • 288-pin UDIMM fits standard desktop motherboard slots

32GB DDR4 3200MHz UDIMM

This Samsung desktop memory module provides 32GB of DDR4 capacity at 3200MHz with CL22 latency. It operates at the standard 1.20V voltage using an unbuffered 288-pin design. The module uses a 2Rx8 configuration with sixteen chips arranged in a (2G x 8) layout. No heat spreader or LED lighting is present on the green PCB.

Suitable for standard desktop upgrades needing

This module fits users adding a single 32GB stick to a DDR4 platform that accepts unbuffered UDIMMs at 3200MHz. It is not intended for systems requiring ECC error correction or registered memory. Builders needing lower latency timings or RGB aesthetics should consider alternative modules with those specific features.

Straightforward installation into a standard DDR4

Align the notch on the 288-pin connector with the motherboard slot key and press firmly until the retention clips engage. The 1.20V operation typically requires no manual voltage adjustment in the BIOS. The most common issue occurs when the memory controller defaults to a lower speed, requiring the user to enable the 3200MHz profile or set the frequency manually.

How it compares

Measured against everything we stock in Desktop RAM, at today’s prices. Recalculated every night.

Price $193.99
Pricier than about 67% of the 3,647 comparable items (median $90.99).
Total capacity 32 GB
Higher than about 70% of the 3,251 comparable items (median 16 GB).
Price per GB $6.06 per GB
Cheaper than about 58% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameSAMSUNG
Model nameM378A4G43AB2-CWE
Total capacity32 GB
Product colorGreen
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latencyCL22
ECC supportNo
Buffer typeUnbuffered / Unregistered
Heat spreaderNo
Power
Rated voltage1.2 V
More details
LED lightingNone

Questions about this item

My motherboard has four 288-pin DDR4 slots — can I add this 32 GB stick to the ones I already have?

The module uses the standard 288-pin UDIMM form factor and runs at 1.2 V, so it fits any desktop DDR4 slot; the system will run all installed sticks at the lowest common speed and tightest timings.

After installation, how can I confirm the stick is running at 3200 MHz with CL22?

Open Task Manager’s Performance tab or run CPU-Z; the memory section will show 3200 MT/s and CAS latency 22 when the module is operating at its rated specification.

What must my desktop already support for this 32 GB DDR4 3200 module to work?

A motherboard with DDR4 UDIMM slots that accept 288-pin unbuffered non-ECC memory and a BIOS capable of 1.2 V operation; the CPU’s integrated memory controller must also support DDR4.

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